Sleeping-hood.



A. o. NORDSTROM @L #I WAHLSTRAND.

SLEEPING HOOD.

APPLICATION FILED IIIAY 2. ISH:

' mem@ Apr. 23,1918

HO. NORDSTROM mw Px. YYFWIITRHND nivnnnw o.i\ionns'rnoilrai\innnnrnWAI-Insrnnivngor wimmelt,vivriiaili-*esonni.J`

,inea-5%... iff

appertains tomakeand use the sam-;"

,Y Thepresentinventionr relates to'a dev eJn for conveying freshaifrfroin the outsidefof'` a building to asleeper" withoutthefneeessityi of raising vthe"window,` thereby enabling'the* Y i sleeper to deriveallof the benefits"ofatconr` stant supplyof fresh air and'ffstill Ahavethe comforts f of alwarmroorn.

Further objects of the inventiony are` to 20 provide a device of thischaracter'which is simple and inexpensive in "its l"",constrnbtion,which can be-quickly placed-in" position and n worn without discomfort,which willconvey 'A an Aample supply of fresh! air" from" the "outjf 25,side of a building to a sleeper within`i"th`e""" "same, and `which canbe adjusted for use by Vdifferent persons. H

`With these and other` objects in view, the

` invention consists in certain novel combinaa0 tions and arrangementsof the parts as will g more fully appear as the description prof ceeds,the novel features thereof being pointed out in the ap ended claims. Fora full un erstanding ofthe invention, t5 reference is to be had to thefollowing description and Figure 1 is a perspective view of a sleepn inghood constructed Vinaccordance with the te invention, lshowingythemanner of using the same. n .f

vF ig. 2 is a' vertical longitudinal sectional view through the shell ofthe hood.

Fig. 3 is a fragmentary`` sectional view t5v through the fresh air inletvalve casing.

- Fig. l is a transverse sectional view through a windowsashfshovvingthe manner of applying the outer end of the .flexible air Vtube thereto.

l Corresponding and like parts arelreferred to'in the followingdescription and indi` cated in all the views of thedrawings by the sainereference characters. s 1

4Referring to the drawings, which illuslq tratevone.embodimentofgtheinvention, Be it known that we, fANnR'Ew* O; 1Noni)- sTnoM "andffAeLBiN"WAnnsTnA`ND, l citizensf `off` the United f States,"res`icli1ig at,Willman in -5 `the county of; ,Kandiyohhf State of frMinne@- -`sotahaveinventedanewfand `L'isef-ul"SleepfA ingllood; and we f do herebyfdeclarethef lfollowingv to be a full, clear,jand enactdel scription` ofthe invention,` such 1 will jen! lo yable others slrilledlfin the arttolfwhich e vclosed,byaplate 2 which is removably held respectivevalvechambers landg. i Suits-tb n u check valves 6 and 7 arefarranged'avithin I the respective valve chambers 14 and 251accompanying drawing, n inv the.

numeral l designates a hollow shell` orf guard f end` of vthe nose`gua-rd isflanged at le, and-is in'`positi`oii` byjsuitablefmeans suchasntheY screws 3; Thisl plate 11's arranged "directly oppositethenostrilswhenfthe'nose guard is? t5 in?! operative position, 4andprovided" withfa` pair `of openings =communicatingf-with t controlthe"inflow *of fresh air throng e flexibleftnbe 8 andthe dischargeof`V'O'ulE 'rinse Queen-valves. e` @navale enfrentan f i`'tolbefverydelicate i'ntheir actio'naso'as tof r oflf'erl practicallyjnoresistanceE tol the infleyv 75,

and outflow *of i the air, andv are f shown as in the @form of flap`valves which' are n or- Nmaiiy tenia @10aa position ty are annatesprings 6a and 7*1, respectively, the valve 6 opening inwardly, whilethe valve 7 `opens 80 foutwardly.'

A suitable head strap 9 may be provided n forv holding the shell l inposition over the nose, and a channel shaped binding V10 is applied tothe` inner edge ofthe shell land plate 2, said bindingstrip carrying asoft .-packinginember such as the rubber tube l()a which'engages theface andv enables the de-` vice to be worn without discomfort. The

'edges' ofthe' shell l will have to becnt and 90C `shaped to conform tothe face of the pari ticular person whois to use the device,` and. aftertheedges have been properly Cut and shaped the binding strip 10 canbeapplied thereto. The plate 2 is adapted to be used 95 interchangeably inconnection with any one of a number of shells l, so that the device canbe used by any person in a family or household by merely applying theplate 2 to a shell or nose guard 1 which has been prop- 100 erlyadjusted and fitted for the particular person.

n The innerend of the flexible fresh airpipe 8 maybe secured by acoupling 1l to the outer endof the valve casing t, while the outer endthereof terminates in a sleeve 12 which is adapted to be inserted withina bushing V13 arranged within an opening in a 't window l,sash lets-aidsleevebeing preferably v providedwith lugs-16 arranged tointerlock withbayonet Vslots 17 in the V'bushingf" Af' plate. 18 which is, hingedlyconnected at'19 to the-.windowuisash .14:ris.swungzioverfthe opening inthe window sash to'close the saine thesleeper inheles or draws inbreath; the valve willV opennnd vthe valve-,7{ close, therebyallsing theair to .be drawn throughy `thefresh airspipe 8, Whilef :whenthe/:breath, 1k is. eghajleli the valve .6 Iwillige closed and'. the fvalve Zgopened, 1, thereby causing; the `V`vit'eted e air.toloedischarged throughthe openend of r 'the- Yvalve casing 57.

any @additional padding; v in Vpositionf which may lbe e .yund-necessary when tiene]lyfti-ttingjl .-fgthfebshell Atothe fece ofthewearer., Y e

Y :Havingthusfdescribejd the inventionezwhnt I i-Withyhis-qdevice,the.sleeper?will-.be snpf plied with fresh air from:the outside of thev Y building; although the lwindowwill be. lclosedfvsoffthztt he' will not be `subjectedv oo ftlielfdief4 we claini as newand desire to secure by Letters Patent, is v Yl. A device Vof thecharacter described including a. hollow nose receiving shell having theedges,- thereo'ffcut to, correspond to, the contour of the face, seidshell being provided vwith fvzllved inlet and outlet openings, :iYdouble channel shaped binding strip, one oi the channels of the bindingstrip engaging y.the edgeoftheshell, and :i soft packing strip arrangedin the other channel of the binding strip vfor engagement Awith thefalce.

2; yA device :of the character described including :t hollow. nosereceiving shall lnwing theV edges' thereof cut to correspond to thecontour of the face,` :i binding strip applied tothe seid edges ot' theshell und lformed with at channeled edge portion having perfo-`rationsinthesides thereof, and n soft packingstripv fitted in thechanneled portion of thebinding strip, the before mentioned perforations'ennbling additional packing to be stitched in position when,such is necessary tol itthelcontour ofany particular face.

VIn testimonywhereoil we lmve-signedour v 5 naines tothisspeciicntion inthepresence oi .lf2-desired, perforetions 22:1nay beornied in,theedgeslofthevbinding strip yl0,-snid per- -v Y kfQlV-@jknsi providing ,a meansA'for stitching' V .Yao

Y two subscribing ,witnesses nLBIN, WAHDsrR-AND; :Witnesses l Y.

j CHARLES JOHNSON,v C; ANDERSON.`

. iney` belobteined ve'cents each, by addressing, the lfiomvmissionerofllatents,

lANDREW o. NORDSTROM- Y

